<template>
  <div class="progress-circle">
    <svg :width="radius" :height="radius" viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
      <circle class="progress-background" r="50" cx="50" cy="50" fill="transparent"></circle>
      <circle class="progress-bar" r="50" cx="50" cy="50" fill="transparent" :stroke-dasharray="dashArray" :stroke-dashoffset="dashOffset"></circle>
    </svg>
    <slot></slot>
  </div>

</template>

<script>
  export default {
    props: {
      radius: {type: Number, default: 100},
      percent: {type: Number, default: 0}
    },
    data () {
      return {
        dashArray: Math.PI * 100
      };
    },
    computed: {
      dashOffset () {
        return (1 - this.percent) * this.dashArray;
      }
    }
  };
</script>

<style lang="less" scoped="">
  @import "~common/css/variable.less";

  .progress-circle {
    position: relative;
    circle {
      stroke-width: 8px;
      transform-origin: center;
      &.progress-background {
        transform: scale(0.9);
        stroke: @color-theme-d;
      }
      &.progress-bar {
        transform: scale(0.9) rotate(-90deg);
        stroke: @color-theme;
      }
    }
  }
</style>
